After several weeks of testing, I’m excited to share my latest creation: a remote control receiver designed specifically for the Beogram 4002 (5513 model) turntable. This receiver seamlessly integrates with the turntable’s existing keypad connector without affecting its functionality.

The receiver board is compatible with the latest Apple TV remote, chosen for its sleek aluminum design that complements the Beogram 4002’s aesthetic. The remote’s minimalist button layout also aligns perfectly with the turntable’s functions.

This project stemmed from my desire to protect my restored keypad from wear and tear. Additionally, I wanted to enhance the cueing function, which I found somewhat lacking in its original form. The existing buttons provided either slow or overly sensitive cueing, making it challenging to accurately position the tonearm.

The remote control addresses this by incorporating a dynamic cueing feature. This feature automatically increases cueing speed after approximately two seconds and stops when the button is released, allowing for precise tonearm placement.

For a closer look at the remote control in action and the receiver board’s design, check out the video demonstration:

The remote board utilizes an Atmega 328p microcontroller (“Arduino”) and an IRM 3638 infrared receiver to process commands. It replicates key presses through transistor networks, creating momentary connections that mirror the actions of the physical buttons. This parallel design ensures that the original keypad remains fully functional.

Here’s a glimpse of the setup:

The receiver board’s underside showcases the Arduino controller, the male header that connects to the Beogram’s keypad socket, and the compact SMD components:

On the top side, the female header provides a connection point for the original keypad connector:

The installed board:

The remote receiver subtly integrated beneath the cabinet:

Moving forward, I plan to refine the board layout professionally and explore manufacturing options, leaving behind the DIY methods involving etching and ironing. The prototype’s current design presents some minor challenges, such as the programming port’s interference with the top panel fixtures and the remote receiver’s slight misalignment. Additionally, I aim to optimize the keyboard cable’s positioning for improved ergonomics.

For now, it’s back to my ongoing restoration endeavors!